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I have posted a link there to this topic so the OP can see my work.A 40m high tower stands vertically on a hill side (sloping ground) which makes an angle of 18 degrees with the?

con't; horizontal. A tree also stands vertically up the hill from the tower. An observer on top of the tower finds the angle of depression from the top of the tree to be 26deg & the bottom of the tree to be 38deg. Find the height of the tree.